Hello Everyone,

I just installed a new SCSI tape with an Adaptec ad160 controller. I
originally have an Adaptec raid controller for my 2 SCSI hard drive
(MIRROR). After installing the ad160 controller driver and relinked the
kernel and rebooted the machine. During boot up I can see tape and
everything but then I get this ERROR

WARNING: hd: no root disk controller was found

PANIC: srmountfun - Error 19 mounting rootdev

and then I have reboot. That's as far as I can get to.

Any help with how to get both my hard drive and tape working will be much
appreciated. Thanks

bernie wrote:

> I just installed a new SCSI tape with an Adaptec ad160 controller. I
> originally have an Adaptec raid controller for my 2 SCSI hard drive
> (MIRROR). After installing the ad160 controller driver and relinked the
> kernel and rebooted the machine. During boot up I can see tape and
> everything but then I get this ERROR
>
> WARNING: hd: no root disk controller was found
>
> PANIC: srmountfun - Error 19 mounting rootdev
>
> and then I have reboot. That's as far as I can get to.
>
> Any help with how to get both my hard drive and tape working will be much
> appreciated. Thanks

Start by booting from unix.old:

Boot
: unix.old

Hopefully that will boot and see your hard drive (but not the tape). Go
to single-user mode and preserve that kernel immediately!

# btmnt -w
# cp /stand/unix.old /stand/unix.good

Now you can boot with "unix.good", and it won't be overwritten by the
next kernel link.

Next, run these commands and post the results here:

# hwconfig -h name=adapter
# hwconfig -h name=sk
# cat /etc/conf/cf.d/mscsi

>Bela<

Hi,

Here are the results after running these commands:

First Command: # hwconfig -h name=adapter

device address vec dma comment
adapter 0x170-0x117 15 -- type IDE ctlr =
secondary dvr = wd
adapter 0xf400-0xf4ff 10 -- type-dpti ha=0
id=7, PCI v1.12

Second Command: # hwconfig -h name=sk

disk -- -- type=S ha=0 id=0 lun=0 bus=0 ht=dpti
Sdsk -- -- cycls=2231 hds=255 sec=63

Third Command: # cat /etc/conf/cf.d/mscsi

ha attach number ID lun bus

wd Srom 1 0 0 0
dpti Sdsk 0 0 0 0


What do I do next. Thanks.

Bernie









"Bela Lubkin" <belal@sco.com> wrote in message
news:20031122013238.GF19731@sco.com...
> bernie wrote:
>
> > I just installed a new SCSI tape with an Adaptec ad160 controller. I
> > originally have an Adaptec raid controller for my 2 SCSI hard drive
> > (MIRROR). After installing the ad160 controller driver and relinked the
> > kernel and rebooted the machine. During boot up I can see tape and
> > everything but then I get this ERROR
> >
> > WARNING: hd: no root disk controller was found
> >
> > PANIC: srmountfun - Error 19 mounting rootdev
> >
> > and then I have reboot. That's as far as I can get to.
> >
> > Any help with how to get both my hard drive and tape working will be
much
> > appreciated. Thanks
>
> Start by booting from unix.old:
>
> Boot
> : unix.old
>
> Hopefully that will boot and see your hard drive (but not the tape). Go
> to single-user mode and preserve that kernel immediately!
>
> # btmnt -w
> # cp /stand/unix.old /stand/unix.good
>
> Now you can boot with "unix.good", and it won't be overwritten by the
> next kernel link.
>
> Next, run these commands and post the results here:
>
> >
> >Bela<

bernie wrote:

> > > I just installed a new SCSI tape with an Adaptec ad160 controller. I
> > > originally have an Adaptec raid controller for my 2 SCSI hard drive
> > > (MIRROR). After installing the ad160 controller driver and relinked the
> > > kernel and rebooted the machine. During boot up I can see tape and
> > > everything but then I get this ERROR
> > >
> > > WARNING: hd: no root disk controller was found
> > >
> > > PANIC: srmountfun - Error 19 mounting rootdev
> > >
> > > and then I have reboot. That's as far as I can get to.

> Here are the results after running these commands:
>
> First Command: # hwconfig -h name=adapter
> Second Command: # hwconfig -h name=sk
>
> device address vec dma comment
> ====== ======= === === =======
> adapter 0x170-0x117 15 - type=IDE ctlr=secondary dvr=wd
> adapter 0xf400-0xf4ff 10 - type=dpti ha=0 id=7, PCI v1.12
> disk - - - type=S ha=0 id=0 lun=0 bus=0 ht=dpti
> Sdsk - - - cycls=2231 hds=255 sec=63
>
> Third Command: # cat /etc/conf/cf.d/mscsi
>
> *ha attach number ID lun bus
>
> wd Srom 1 0 0 0
> dpti Sdsk 0 0 0 0
>
> What do I do next. Thanks.

Ok. The mscsi file shows no evidence of your having added the tape
drive. Meanwhile, the new kernel does not seem to recognize the host
adapter that's supposed to be running the hard disk.

Which adapter(s) does the new/bad kernel recognize? You should still
have that kernel as /unix, so just hitting <Enter> at the boot prompt
will load it. Do that and write down any "%adapter" lines it shows in
the laundry list. Post them here. (It will go on to panic; hopefully
you can see and write down the "%adapter" lines before the panic scrolls
too much off the screen...)

After writing down the "%adapter" lines from the bad kernel, try this:

Boot
: defbootstr disable=ad160

This loads the bad kernel, but tells it to disable the 29160 driver.
Doing this will tell us whether this kernel fails to see your "dpti"
board because something is wrong with that driver; or because it's
conflicting with the actions of the "ad160" driver.

>Bela<